Empty, mirror & archived repository will not allow create branch

models/repo/repo.go

@@ -597,7 +597,7 @@ func (repo *Repository) IsOwnedBy(userID int64) bool {
 
 // CanCreateBranch returns true if repository meets the requirements for creating new branches.
 func (repo *Repository) CanCreateBranch() bool {
-	return !repo.IsMirror
+	return !repo.IsMirror && !repo.IsArchived
 }
 
 // CanEnablePulls returns true if repository meets the requirements of accepting pulls.

routers/web/repo/issue_view.go

@@ -990,4 +990,7 @@ func prepareIssueViewSidebarDevLinks(ctx *context.Context, issue *issues_model.I
 	}
 
 	ctx.Data["AllowedRepos"] = allowedRepos
+	ctx.Data["ShowCreateBranchLink"] = !ctx.Repo.Repository.IsEmpty &&
+		ctx.Repo.Repository.CanCreateBranch() &&
+		len(allowedRepos) > 0 && !issue.IsClosed
 }

templates/repo/issue/sidebar/development.tmpl

@@ -4,7 +4,7 @@
 	<span class="text"><strong>{{ctx.Locale.Tr "repo.issues.development"}}</strong></span>
 	<div class="ui devlinks list">
 	{{/* AllowedRepos not empty means login user can create new branch in some of the repositories */}}
-	{{if and (not .Issue.IsClosed) .AllowedRepos}}
+	{{if .ShowCreateBranchLink}}
 		<div class="tw-items-center">
 			<a class="tw-mt-1 fluid ui show-modal" data-modal="#create_branch">{{ctx.Locale.Tr "repo.branch.new_branch"}}</a>
 		</div>